Results 21 to 30 of about 27,748 (261)

Anti-Aging Constituents from Pinus morrisonicola Leaves

open access: yesMolecules, 2023
Pinus morrisonicola Hayata is a unique plant species found in Taiwan. Previous studies have identified its anti-hypertensive, anti-oxidative, and anti-inflammatory effects. In this study, a bioactivity-guided approach was employed to extract 20 compounds
Ta-Wei Liu   +4 more
doaj   +1 more source

The graceful fir (Abies gracilis Kom., Pinaceae) in Saint-Petersburg and Leningrad region: history of arboriculture, biological peculiarities and methods of reproduction

open access: yesHortus Botanicus, 2020
The article is devoted to the history of arboriculture, biological features and methods of reproduction of graciful fir (Abies gracilis Kom.). This plant has been cultivated in St. Petersburg since 1986 and in Leningrad Region - since 2009. The best
Orlova Larisa Vladimirovna   +3 more
doaj   +1 more source

Comparative Wood Anatomy in Pinaceae with Reference to Its Systematic Position

open access: yesForests, 2021
The wood anatomy of 132 species of the genera Abies, Cathaya, Cedrus, Keteleeria, Larix, Nothotsuga, Picea, Pinus, Pseudolarix, Pseudotsuga and Tsuga was studied to determine the elements that characterise the xylem of each genus and discuss possible ...
L. García Esteban   +5 more
semanticscholar   +1 more source

Ectomycorrhizal fungal diversity predicted to substantially decline due to climate changes in North American Pinaceae forests

open access: yesJournal of Biogeography, 2020
Ectomycorrhizal fungi (ECMF) are partners in a globally distributed tree symbiosis implicated in most major ecosystem functions. However, resilience of ECMF to future climates is uncertain.
B. Steidinger   +7 more
semanticscholar   +1 more source

Early Cretaceous abietoid Pinaceae from Mongolia and the history of seed scale shedding.

open access: yesAmerican-Eurasian journal of botany, 2021
PREMISE Seed cones of extant Pinaceae exhibit two mechanisms of seed release. In "flexers" the cone scales remain attached to the central axis, while flexing and separating from each other to release the seeds. In "shedders" scales are shed from the axis,
Fabiany Herrera   +6 more
semanticscholar   +1 more source

Characterization of Pinus densiflora var. zhangwuensis S.J.Zhang, C.X.Li & X.Y.Yuan complete chloroplast genome

open access: yesMitochondrial DNA. Part B. Resources, 2021
Pinus densiflora var. zhangwuensis S.J.Zhang, C.X.Li & X.Y.Yuan, a tree species with promising afforestation potential in northern China. Here, we assembled and annotated the complete chloroplast (cp) genome of P. densiflora var.
Qijing Xia   +4 more
doaj   +1 more source

Picea A. Dietr. (Pinaceae) genus at Peter the Great Botanical Garden

open access: yesHortus Botanicus, 2019
There are 24 species and 9 forms of Picea A. Dietr., represented by 137 trees, in the collection of Peter the Great Botanical Garden of the Komarov Botanical Institute RAS (Saint-Petersburg), aged from 10 to 110 years old.
Firsov Gennady Afanasievich   +2 more
doaj   +1 more source

The complete chloroplast genome of Abies georgei Orr var. smithii, a species endemic to the Qinghai-Tibet Plateau, China

open access: yesMitochondrial DNA. Part B. Resources, 2020
Abies georgei Orr var. smithii is an evergreen coniferous species of Pinaceae, and is endemic to the Qinghai-Tibet Plateau of China. Considering its vital ecological functions in this unique area, the complete chloroplast (cp) genome was constructed in ...
Jiang-Rong Li   +3 more
doaj   +1 more source

On the vulval morphology of some species of Bursaphelenchus (Nematoda: Parasitaphelenchinae) [PDF]

open access: yes, 2009
The vulval pattern of six species of the genus Bursaphelenchus (B. abruptus, B. conicaudatus, B. fraudulentus, B. luxuriosae, B. mucronatus and B. xylophilus) was studied using scanning electron microscopy.
Mota, Manuel   +3 more
core   +1 more source

The Siricidae (Hymenoptera: Symphyta) of Florida [PDF]

open access: yes, 2013
The six species of Siricidae (Hymenoptera: Symphyta) occurring in Florida and one species of regulatory concern introduced to North America are reviewed.
Leavengood, John M., Jr.   +1 more
core   +3 more sources

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